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出典:Wikipedia
出典:『Wikipedia』 (2011/02/18 17:46 UTC 版)
Plicatic acid is a carboxylic acid from the resin acid group. It is naturally found in thuja and cypress resin. It is the main irritant and contact allergen present in thuja wood. (Cf. pine, where the primary irritant is abietic acid.)
Plicatic acid